Unfork Lazy Component Branches #13902
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ReactDOM: size: -0.3%, gzip: -0.1% Details of bundled changes.Comparing: 7268d97...b2ee274 react-dom
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This will be used to store the wrapped type of an element. E.g. pure and lazy. The existing type field will be used for the unwrapped type within them.
Instead, we check if the elementType and type are equal to test if we need to resolve props. This is slightly slower in the normal case but will yield less code and branching.
This way we don't have to check the type in a hacky way in the indeterminate path. Also, lets us deal with lazy that resolves to indeterminate and such.
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acdlite
reviewed
Oct 20, 2018
| mode: TypeOfMode, | ||
| expirationTime: ExpirationTime, | ||
| ): Fiber { | ||
| const fiber = createFiberFromElementWithoutDebugInfo( |
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Why the two functions? Doesn't look like this is called anywhere else
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So that I can do early returns in the other one. Compiler can restructure and get rid of it in prod.
acdlite
reviewed
Oct 20, 2018
| child = updateFunctionComponent( | ||
| null, | ||
| workInProgress, | ||
| Component, |
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Should we get rid of this argument now?
acdlite
approved these changes
Oct 20, 2018
| let child; | ||
| switch (resolvedTag) { | ||
| case FunctionComponent: { | ||
| child = updateFunctionComponent( |
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These can be early returns
|
Merging so I can sync to www |
acdlite
reviewed
Oct 20, 2018
| @@ -694,8 +684,6 @@ function completeWork( | |||
| break; | |||
| } | |||
| case ForwardRef: | |||
| case ForwardRefLazy: | |||
| break; | |||
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Oops, shouldn't have deleted the break, because now it falls through to SuspenseComponent. I'll revert.
linjiajian999
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Oct 22, 2018
* Introduce elementType field This will be used to store the wrapped type of an element. E.g. pure and lazy. The existing type field will be used for the unwrapped type within them. * Store the unwrapped type on the type field of lazy components * Use the raw tags for lazy components Instead, we check if the elementType and type are equal to test if we need to resolve props. This is slightly slower in the normal case but will yield less code and branching. * Clean up lazy branches * Collapse work tag numbering * Split IndeterminateComponent out from Lazy This way we don't have to check the type in a hacky way in the indeterminate path. Also, lets us deal with lazy that resolves to indeterminate and such. * Missing clean up in rebase
jetoneza
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Jan 23, 2019
* Introduce elementType field This will be used to store the wrapped type of an element. E.g. pure and lazy. The existing type field will be used for the unwrapped type within them. * Store the unwrapped type on the type field of lazy components * Use the raw tags for lazy components Instead, we check if the elementType and type are equal to test if we need to resolve props. This is slightly slower in the normal case but will yield less code and branching. * Clean up lazy branches * Collapse work tag numbering * Split IndeterminateComponent out from Lazy This way we don't have to check the type in a hacky way in the indeterminate path. Also, lets us deal with lazy that resolves to indeterminate and such. * Missing clean up in rebase
NMinhNguyen
referenced
this pull request
in enzymejs/react-shallow-renderer
Jan 29, 2020
* Introduce elementType field This will be used to store the wrapped type of an element. E.g. pure and lazy. The existing type field will be used for the unwrapped type within them. * Store the unwrapped type on the type field of lazy components * Use the raw tags for lazy components Instead, we check if the elementType and type are equal to test if we need to resolve props. This is slightly slower in the normal case but will yield less code and branching. * Clean up lazy branches * Collapse work tag numbering * Split IndeterminateComponent out from Lazy This way we don't have to check the type in a hacky way in the indeterminate path. Also, lets us deal with lazy that resolves to indeterminate and such. * Missing clean up in rebase
bvaughn
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Dec 1, 2020
Work tags changed recently (PR facebook#13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches.
bvaughn
pushed a commit
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Dec 1, 2020
Work tags changed recently (PR facebook#13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches.
bvaughn
pushed a commit
to bvaughn/react
that referenced
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Dec 1, 2020
Work tags changed recently (PR facebook#13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches.
bvaughn
pushed a commit
that referenced
this pull request
Dec 1, 2020
* Fixed invalid DevTools work tags Work tags changed recently (PR #13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches. * Removed FundamentalComponent from DevTools tag defs
bvaughn
pushed a commit
to bvaughn/react
that referenced
this pull request
Dec 1, 2020
Work tags changed recently (PR facebook#13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches.
bvaughn
pushed a commit
to bvaughn/react
that referenced
this pull request
Dec 4, 2020
Work tags changed recently (PR facebook#13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches.
koto
pushed a commit
to koto/react
that referenced
this pull request
Jun 15, 2021
* Fixed invalid DevTools work tags Work tags changed recently (PR facebook#13902) but we didn't bump React versions. This meant that DevTools has valid work tags only for master (and FB www sync) but invalid work tags for the latest open source releases. To fix this, I incremneted React's version in Git (without an actual release) and added a new fork to the work tags detection branch. This commit also adds tags for the experimental Scope and Fundamental APIs to DevTools so component names will at least display correctly. Technically these new APIs were first introduced to experimental builds ~16.9 but I didn't add a new branch to the work tags fork because I don't they're used commonly. I've just added them to the 17+ branches. * Removed FundamentalComponent from DevTools tag defs
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By adding an extra field for reconciliation purposes we can avoid the Lazy special cases. Normally it wouldn't be worth it but we can start using this technique for other things like pure.